Question

Calculate the mass percent of each element present in the molecule of calcium carbonate.

Answer 1

Answer:

Explanation:

CaCO₃

Molecular mass = 100 g

Mass% of element = (Mass of element / Mass of molecule) × 100

Mass percentage of

Calcium = [(40 g) / (100 g)] × 100 = 40%

Carbon = [(12 g) / (100 g)] × 100 = 12%

Oxygen = [(16 × 3 g) / (100 g)] × 100 = 48%

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